18 Stars Who Went to Comic-Con in Disguise, From Ben Affleck to Lupita Nyong’o (Photos)

Lupita Nyong'o is the latest star to reveal her true identity at Comic-Con. Click through to see the "Star Wars" star and other celebrities who have walked in disguise among superfans at the annual fan fete in San Diego, California.

Twitter/Lupita Nyong'o

When she wasn't promoting "Black Panther" in Hall H, Lupita Nyong'o went running around the convention floor in a Pink Ranger outfit at Comic-Con 2017.

In 2014, "Lord of the Rings" director Peter Jackson posted pics of himself on Facebook strolling through San Diego as an evil jester.

MTV

Jack Black walked the floor of the 2014 event wearing a Stormtrooper mask but admitted that he didn't fool many people. "Everybody's just like, 'Jack Black, you in there?'" he told MTV News. "And I'm like 'No, it's not me. I don't know what you're talking about.'"

Twitter

Samuel L. Jackson mysteriously tweeted this bemasked shot of himself with his castmates from "Kingsman: The Secret Service" in 2014.

While there were plenty of fans who dressed as Jared Leto's green-haired Joker at the 2015 Comic-Con, the "Suicide Squad" star himself went undercover in a baboon mask. "He had no idea. :)" the star wrote in his Instagram caption.